You should really really give players opportunity to set options via slash commands... that would be great... noone, even people who like minimalistic addons is interested in editing hardcoded values and /reload like asshole in case it still is not as they intended...

Pretty bad idea to restricting this addon purely to guild chat instead of default chat frame imo... you should at least give players opportunity to choose whether they want to spam guild chat, raid chat or they own chat only... anyway I've seen those "chatbots" on various IRC channels, we even developed out bot "Lucy" to give some en...